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Author XE or LET?
Voyto
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Registered: 9th Feb 03
Location: Stafford
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4th Feb 04 at 20:59   View User's Profile U2U Member Reply With Quote

which is the better conversion? Is one more reliable than the other? does insurance go way up if u have the LET? and what are the standard BHP figures for each? thanks
Marc
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Registered: 11th Aug 02
Location: York
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4th Feb 04 at 20:59   View User's Profile U2U Member Reply With Quote

150
204
Marc
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Registered: 11th Aug 02
Location: York
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4th Feb 04 at 21:00   View User's Profile U2U Member Reply With Quote

XE Cosscast 155bhp
Voyto
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Registered: 9th Feb 03
Location: Stafford
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4th Feb 04 at 21:02   View User's Profile U2U Member Reply With Quote

whats that
Voyto
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Registered: 9th Feb 03
Location: Stafford
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4th Feb 04 at 21:04   View User's Profile U2U Member Reply With Quote

no, whats cosscast?
Voyto
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Registered: 9th Feb 03
Location: Stafford
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4th Feb 04 at 21:04   View User's Profile U2U Member Reply With Quote

where did your post go!!
Marc
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Registered: 11th Aug 02
Location: York
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4th Feb 04 at 21:05   View User's Profile U2U Member Reply With Quote

Cosscast was handbuilt by Cosworth with forged pistons etc.
Dave
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Registered: 26th Feb 01
Location: Lancs
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4th Feb 04 at 21:06   View User's Profile U2U Member Reply With Quote

I dont think Coscast heads make more power, its just that most were early ones and as such fitted to cars without cats(20xe instead of c20xe), hence the slightly higher power figure.

They are regarded to be a higher quality casting though.
Marc
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Registered: 11th Aug 02
Location: York
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4th Feb 04 at 21:07   View User's Profile U2U Member Reply With Quote

or were they all handbuilt?
BeArDy
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Registered: 7th Aug 00
Location: Manchester
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4th Feb 04 at 21:19   View User's Profile U2U Member Reply With Quote

both same power just ones can go poraus(sp) wher coss cast ones are stronger
Voyto
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Registered: 9th Feb 03
Location: Stafford
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5th Feb 04 at 15:05   View User's Profile U2U Member Reply With Quote

up
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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5th Feb 04 at 15:12   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by BeArDy
both same power just ones can go poraus(sp) wher coss cast ones are stronger


even costcast heads can go porus

as mentioned before the power difference is not down the to head bu due to the cats and also earlier EX's had mahle forged pistons as standard which was lter phased out.

but i would preffer an XE over a LET as most LETS have a problem with traction etc
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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5th Feb 04 at 17:58   View User's Profile U2U Member Reply With Quote

All prefernce, with an LET and chip (99) u get 230bhp. with not much effort which is nice, LET is a lot more expensive and harder to come buy than the XE.
Dave
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Registered: 26th Feb 01
Location: Lancs
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5th Feb 04 at 18:55   View User's Profile U2U Member Reply With Quote

I've never ever heard of a Coscast head going porous.

Tecnically they aren't porous anyway, what happens is on the KS heads one of the oil galleries is very close to a water one, this can breach, hence the mixing of oil and water.

Its such a common problem on the KS heads that a lot of companies now do kits to avoid it happening.
MC Kustoms
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Registered: 6th Aug 02
Location: Luton
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5th Feb 04 at 18:57   View User's Profile U2U Member Reply With Quote

u no where u can get these kits
Daimo B
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Registered: 20th Mar 00
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5th Feb 04 at 18:58   View User's Profile U2U Member Reply With Quote

Simply

If you have 4000+, do the LET
If you have 1500, do the XE.
BeArDy
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Registered: 7th Aug 00
Location: Manchester
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5th Feb 04 at 19:04   View User's Profile U2U Member Reply With Quote

4k abit much, can do it for less for a LET

1500 engine and box
500 for fitting bits
250 custom zorst

Cheaper option
80 for 2lt 16v brakes
60 for lowering springs
total 2390

Better option
250 uprated shoxs n springs
200 V6 brakes
total 2700
Dave
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Registered: 26th Feb 01
Location: Lancs
User status: Offline
5th Feb 04 at 19:05   View User's Profile U2U Member Reply With Quote

I think V-Tuning do them.

If I had 4500 I'd still do the XE and spend the rest on TB's, ATB etc.
Daimo B
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Registered: 20th Mar 00
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5th Feb 04 at 19:07   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by BeArDy
4k abit much, can do it for less for a LET

1500 engine and box
500 for fitting bits
250 custom zorst

Cheaper option
80 for 2lt 16v brakes
60 for lowering springs
total 2390

Better option
250 uprated shoxs n springs
200 V6 brakes
total 2700



LMFAO o really. Well, i beg to differ. In fact, i know to differ, but im not going to argue. Or do u mean one of those bodge job conversions with cheap shitty parts, F20 box and a whole host of other things not done to a LET before a conversion.

Oh, 2.0 16v brakes on a 2.0 turbo Yeah, great idea

[Edited on 05-02-2004 by Daimo B]
BabyBlade
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Registered: 5th Feb 03
Location: Hereford Rides: Ninja 600
User status: Offline
5th Feb 04 at 19:14   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Daimo B
quote:
Originally posted by BeArDy
4k abit much, can do it for less for a LET

1500 engine and box
500 for fitting bits
250 custom zorst

Cheaper option
80 for 2lt 16v brakes
60 for lowering springs
total 2390

Better option
250 uprated shoxs n springs
200 V6 brakes
total 2700



LMFAO o really. Well, i beg to differ. In fact, i know to differ, but im not going to argue. Or do u mean one of those bodge job conversions with cheap shitty parts, F20 box and a whole host of other things not done to a LET before a conversion.

Oh, 2.0 16v brakes on a 2.0 turbo Yeah, great idea

[Edited on 05-02-2004 by Daimo B]


I sense you disagree
BeArDy
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Registered: 7th Aug 00
Location: Manchester
User status: Offline
5th Feb 04 at 19:15   View User's Profile U2U Member Reply With Quote

its all about how much money you got to spend and i have just show you can have a LET for 2390, why is it a bodge jod it works it runs, and will last if you take care of it.
most C20LETs run F20's?? as its like another 300 for the F28 box fitting kit
2lt 16v brake will work fine on a 2lt turbo, can i ask what Stu was running on around 220bhp??? o thats right 2lt 16v brakes, and a LET is 205bhp
Dave
Member

Registered: 26th Feb 01
Location: Lancs
User status: Offline
5th Feb 04 at 19:15   View User's Profile U2U Member Reply With Quote

It wouldn't feel like Corsasport if he didn't!

All we need now is an arguement with Vibrio and its another day in Corsasport Street.
BeArDy
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Registered: 7th Aug 00
Location: Manchester
User status: Offline
5th Feb 04 at 19:19   View User's Profile U2U Member Reply With Quote

XE or LET? all about money
BabyBlade
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Registered: 5th Feb 03
Location: Hereford Rides: Ninja 600
User status: Offline
5th Feb 04 at 19:21   View User's Profile U2U Member Reply With Quote

isnt the f20 the better to go for as the f28 although better for economy is alot heavier?
Daimo B
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Registered: 20th Mar 00
User status: Offline
5th Feb 04 at 19:21   View User's Profile U2U Member Reply With Quote

NO argument. BEardy has done a LET conversion with F28 in his cars so he knows. He can also get trade parts, so also knows.

I suppose u'd advise not even taking off the sump etc and giving it a complete service while its out either

Most C20LETs have an F20 box your killing me here even though they left the factory with an F28 for a reason.

But still, vauxhall, u stupid monkies, why give teh LET an F28 when a gearbox they had already designed could take the power no problem. Even if there is a couple about with them.

Ask any proper tuner, they will say go for the F28.

300 for an F28 fitting kit, please, get some facts right today.

Now im njto going to argue this, i know what i know, if you disagree and like doing things the bodge job way, you do that. I totally disagree with you, simple as, case closed.

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